Libdvdcss (or libdvdcss2 in some repositories) is a free and open source software library for accessing and unscrambling DVDs encrypted with the Content Scramble System (CSS). Together with media player software and DVD rippers, such as VLC and HandBrake, libdvdcss helps read and decrypt DVDs of different regions or encrypted with CSS. “But there’s a problem with Handbrake and macOS Sierra. Handbrake uses a library file called libdvdcss, which enables the app to circumvent copy protection on DVDs, but Sierra’s security system.
Check compatibility
You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models. Your Mac also needs at least 2 GB of memory and 8.8 GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid-2010 or later
Mac mini introduced in mid-2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid-2010 or later
To find your Mac model, memory, storage space and macOS version, choose About This Mac from the Apple menu . If your Mac isn’t compatible with macOS Sierra, the installer will let you know.
Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Libdvdcss For Mac Sierra Vista
Get connected
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you’re using a Mac notebook computer, plug it into AC power.
Download macOS Sierra
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.
Install the macOS installer
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallOS.pkg.
Follow the on-screen instructions, which will guide you through the steps required to install it.
Begin installation
After installation has been completed, open the Applications folder on your Mac and then double-click the file named Install macOS Sierra.
Click Continue and follow the on-screen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Learn more
Libdvdcss For Mac Sierra Pro
- If you have hardware or software that isn't compatible with macOS Sierra, you may be able to install the previous version, OS X El Capitan.
- macOS Sierra won’t install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.